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Shtirlitz [24]
3 years ago
6

A plot of rectangular land is divided into 3 sections, P.

Mathematics
1 answer:
Marrrta [24]3 years ago
6 0

Perimeter = 2(l+b)

170 = 2(x+x+15)

170 = 2(2x+15)

170 = 4x+30

140 = 4x

x = 35 meters

Area = LxB => 35x(35+15)

Area = 35x(50)

Area = 1750 meters

Area of the largest plot = 1750/3

=> 583.'3' meters

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Write (3i - 2/3) - (6i-5) as a complex number in standard form. I have no idea what im doing to be honest -_-. Give me pointers
allochka39001 [22]
\bf \left( 3i-\cfrac{2}{3} \right)-(6i-5)\implies 3i-\cfrac{2}{3}-6i+5
\\\\\\
-6i+5-\cfrac{2}{3}\implies 
\begin{array}{llll}
\cfrac{13}{3}&-&6i\\
\uparrow &&\uparrow \\
a&-&bi
\end{array}

standard form for a complex expression, I assume it means the a + bi form, nothing else

5 0
3 years ago
Read 2 more answers
Dan's dog walking job pays $15 per hour his job as a car wash attendant pays $400 each week Dan wants to know how many hours he
Sergio [31]

Answer:

520<400+15x

15x>120

15x+400>520

Explanation:

Pay of Dan's car wash attendant job =$400 per week

The amount he earns per hour walking dogs = $15

Let the number of hours spent walking dogs in a week = x

Therefore, total earning for walking dogs =$15x

Since he wants to earn more than $520, we have that:

15x+400>520\text{  (Option F)}

We can rewrite this as:

520

If we collect like terms, we have:

\begin{gathered} 520-400

So the inequalities are:

0. 520<400+15x

,

1. 15x>120

,

2. 15x+400>520

5 0
1 year ago
10x - 4 = 2 ( ? ) is it a) 5x - 4 b) 5x - 2 c) 10x - 4 d ) 10x - 8
attashe74 [19]
We have that

<span>10x - 4 = 2 ( ? )
</span>I proceed to replace the missing value with the given expression

case a-------------> <span>5x - 4
</span><span>then
</span>10x - 4 = 2 (5x-4 )--------> 10x - 4 = 10x-8--------> is not solution

case b-------------> 5x - 2
then
10x - 4 = 2 (5x-2 )--------> 10x - 4 = 10x-4--------> is  solution

 case c-------------> <span>10x - 4 
</span>then
10x - 4 = 2 (10x - 4 )--------> 10x - 4 = 20x-8--------> is not solution

 case d-------------> <span>10x - 8
</span>then
10x - 4 = 2 (10x - 8 )--------> 10x - 4 = 20x-16--------> is not solution

the answer is the option b) 5x - 2
3 0
3 years ago
Determine the missing side length:
mars1129 [50]

Answer:

35 units

Step-by-step explanation:

Using Pythagoras Thereoem:

a² + b² = c²

21² + 28² = c²

c = √21² + 28² = √441 + 784 = √1,225 = 35 units

3 0
2 years ago
Determine the equatiln of the graph and select the correct answer below. <br><br>​
olga_2 [115]

Answer:

C

Step-by-step explanation:

okay, this is actually pretty easy because it just works with simple translations.

(x+a)^2 + b

if a is positive, the graph shifts left

if a is negative, the graph shifts right

if b is positive, the graph shifts up

if b is negative, the graph shifts down

so since the quadratic, is starts at the origin and is shift 3 to the left, and 2 up:

the equation is

(x+3)^2 + 2

7 0
3 years ago
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